diff --git a/src/php/migration/importers/files/file-upload-importer.php b/src/php/migration/importers/files/file-upload-importer.php
index e4ec32f9..84d82005 100644
--- a/src/php/migration/importers/files/file-upload-importer.php
+++ b/src/php/migration/importers/files/file-upload-importer.php
@@ -280,7 +280,7 @@ private function parse_json_file( string $file_path, string $file_name ) {
 				'id' => $snippet_data['id'] ?? uniqid(),
 				'title' => $snippet_data['name'] ?? __( 'Untitled Snippet', 'code-snippets' ),
 				'scope' => $snippet_data['scope'] ?? 'global',
-				'tags' => is_array( $snippet_data['tags'] ?? [] ) ? implode( ', ', $snippet_data['tags'] ) : '',
+				'tags' => is_array( $snippet_data['tags'] ?? null ) ? implode( ', ', $snippet_data['tags'] ) : '',
 				'description' => $snippet_data['desc'] ?? $snippet_data['description'] ?? '',
 				'type' => Snippet::get_type_from_scope( $snippet_data['scope'] ?? 'global' )
 			];